This case report describes a 25-year-old female radiographer with no significant medical history who had been working in a coronavirus disease 2019 (COVID-19) ward who presented with a mild dry cough that lasted for 1 day, followed by persistent severe anosmia and dysgeusia.

This case-control study examines the use of fluorine 18–labeled fluorodeoxyglucose positron emission tomographic imaging to detect glucose metabolic changes in individuals who are presymptomatic carriers of a mutation in the C9orf72 gene that leads to amyotrophic lateral sclerosis and frontotemporal dementia.

This diagnostic study examines the use of RO948 F 18 in tau positron emission tomographic imaging as a diagnostic marker for identification of Alzheimer disease compared with magnetic resonance imaging and cerebrospinal fluid measures.

This case report describes a man with paraneoplastic neurological syndrome with paraneoplastic encephalomyelitis and small cell lung cancer who also had unusual pathophysiological features visible on magnetic resonance imaging.

This cohort study describes trends among rural and urban patients with acute ischemic stroke or transient ischemic attack in the type of health care centers to which patients were admitted, what care was provided, and patient outcomes.

This cohort study examines the association between cumulative exposure to residential segregation during 25 years of young adulthood and cognitive performance in midlife among black individuals in the United States.